IDENTIFIERS

  • Current Taxon Name (Soil Name): MARSHALL
  • OSD
  • Series Extent
  • User Site ID: S1963IA165003
  • User Pedon ID: S1963IA165003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1497
  • NCSS Pedon Lab Data NASIS Record ID - 35105
  • Print Date: 5/20/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 41.5291672
  • Std. Longitude: -95.2275009
  • Datum: WGS84
  • Township: 78N
  • Range: 38W
  • Section: 28
  • PLSS Details: 605 feet S and 1432 feet W of center of road corner in the NE 1/4, NW 1/4
  • Location Description: approximately 3 miles N of Walnut, IA.
  • State: Iowa
  • County: IA165—Shelby
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: IA165—Shelby County, Iowa

    • PEDON

  • Describers Name: R.I. Dideriksen and C.S. Fisher
  • Current Taxonomic Class: Fine-silty, mixed, mesic Typic Hapludolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - MARSHALL
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - Marshall
  • Classificaton Date - 10/1/1963
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: interfluve
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1963 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    7

    —

    —

    —

    —

    315

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    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark brown (10YR 2/2) and very dark grayish brown (10YR 3/2) rubbed, dark gray (10YR 4/1) and grayish brown (10YR 5/2), dry; silty clay loam; weak medium subangular blocky parts to weak fine granular structure; friable; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # 40A11693. few fine and medium root channels; weak plow sole at 5-7 inches.
    A3—18 to 30 centimeters (7.1 to 11.8 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3) and very dark grayish brown (10YR 3/2) rubbed and dark brown (10YR 3/3) rubbed, grayish brown (10YR 5/2), dry; silty clay loam; weak fine subangular blocky, and fine granular structure; friable; fragments; slightly acid, pH 6.4, unspecified; clear smooth boundary. Lab sample # 40A11694. many fine and very fine root channels; few root fills of dark material from above.
    B1—30 to 40 centimeters (11.8 to 15.7 inches); dark brown (10YR 3/3) and brown (10YR 4/3) and very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2) and pale brown (10YR 6/3), dry; silty clay loam; weak fine subangular blocky structure; friable; 3.0 very fine and fine tubular pores; 1 percent worm casts; fragments; slightly acid, pH 6.4, unspecified; clear smooth boundary. Lab sample # 40A11695. kneaded color the same; few dark root fills.
    B21—40 to 55 centimeters (15.7 to 21.7 inches); brown (10YR 4/3) and brown (10YR 4/3) rubbed and yellowish brown (10YR 5/4) rubbed, pale brown (10YR 6/3), dry; silty clay loam; weak fine subangular blocky structure; friable; 3.0 very fine and fine tubular pores; 3 percent faint dark brown (10YR 3/3) clay films; 1 percent worm casts; fragments; slightly acid, pH 6.4, unspecified; gradual smooth boundary. Lab sample # 40A11696. discontinuous - phpvsfiid 175049; discontinuous - phpvsfiid 175049
    B22—55 to 68 centimeters (21.7 to 26.8 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) rubbed silty clay loam; 1 percent grayish brown (2.5Y 5/2) fine mottles; weak fine subangular blocky structure; friable; 3.0 very fine and fine tubular pores; 15 percent faint clay films on faces of peds; fragments; slightly acid, pH 6.4, unspecified; clear smooth boundary. Lab sample # 40A11697. discontinuous - phpvsfiid 175050; discontinuous - phpvsfiid 175050
    B23—68 to 85 centimeters (26.8 to 33.5 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) rubbed silty clay loam; 1 percent brown (7.5YR 4/4) fine mottles; weak medium prismatic parts to weak fine and medium subangular blocky structure; friable; 3.0 very fine and fine tubular pores; 15 percent faint clay films on vertical faces of peds and 15 percent dark brown (10YR 3/3) oxide coats and 15 percent black (10YR 2/1) oxide coats; 1 percent worm casts; fragments; slightly acid, pH 6.4, unspecified; gradual smooth boundary. Lab sample # 40A11698. few 1/2 inch spherical voids.; discontinuous - phpvsfiid 175051; discontinuous - phpvsfiid 175051
    B31—85 to 108 centimeters (33.5 to 42.5 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/4) rubbed silty clay loam; 10 percent brown (7.5YR 4/4) fine and 10 percent dark yellowish brown (10YR 4/4) fine mottles; weak medium prismatic parts to weak fine and medium subangular blocky structure; friable; 3.0 very fine and fine tubular pores; 25 percent dark brown (10YR 3/3) oxide coats and 25 percent black (10YR 2/1) oxide coats; fragments; neutral, pH 6.6, unspecified; gradual smooth boundary. Lab sample # 40A11699. color is similar to horizon above; slight decrease in clay films from above but more distinctly oriented on vertical ped faces; few 1/2 inch spherical voids.
    B32—108 to 125 centimeters (42.5 to 49.2 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/4) rubbed silt loam, silty clay loam; 10 percent dark yellowish brown (10YR 4/4) fine mottles; weak medium prismatic parts to weak fine and medium subangular blocky structure; friable; 10.0 very fine and fine tubular pores; 25 percent dark brown (10YR 3/3) oxide coats and 25 percent black (10YR 2/1) oxide coats; fragments; slightly acid, pH 6.5, unspecified; gradual smooth boundary. Lab sample # 40A11700. color similar to B23 horizon.
    C1—125 to 145 centimeters (49.2 to 57.1 inches); yellowish brown (10YR 5/4) and olive gray (5Y 5/2) and gray (5Y 5/1) silt loam; 10 percent brown (7.5YR 4/4) fine and 10 percent dark yellowish brown (10YR 4/4) fine mottles; massive; friable; 55 percent dark brown (10YR 3/3) oxide coats and 55 percent black (10YR 2/1) oxide coats; fragments; slightly acid, pH 6.4, unspecified; diffuse smooth boundary. Lab sample # 40A11701. some weak vertical cleavage; pores slightly larger than above.
    C2—145 to 168 centimeters (57.1 to 66.1 inches); yellowish brown (10YR 5/4) and olive gray (5Y 5/2) and gray (5Y 5/1) silt loam; 10 percent dark yellowish brown (10YR 4/4) fine and 10 percent brown (7.5YR 4/4) fine mottles; massive; 55 percent dark brown (10YR 3/3) oxide coats and 55 percent black (10YR 2/1) oxide coats; fragments; neutral, pH 6.6, unspecified; diffuse smooth boundary. Lab sample # 40A11702. some vertical cleavage; pores slightly larger than B32 horizon.
    C3—168 to 188 centimeters (66.1 to 74.0 inches); yellowish brown (10YR 5/4) and olive gray (5Y 5/2) and gray (5Y 5/1) silt loam; 10 percent dark yellowish brown (10YR 4/4) fine and 10 percent brown (7.5YR 4/4) fine mottles; massive; 55 percent dark brown (10YR 3/3) oxide coats and 55 percent black (10YR 2/1) oxide coats; fragments; neutral, pH 6.6, unspecified; diffuse smooth boundary. Lab sample # 40A11703. same as above except for a slight increase in brown (7.5YR 4/4) mottles; pores slightly larger than B32 horizon; some vertical cleavage
    C4—188 to 200 centimeters (74.0 to 78.7 inches); yellowish brown (10YR 5/4) and olive gray (5Y 5/2) and gray (5Y 5/1) silt loam; 10 percent dark yellowish brown (10YR 4/4) fine and 10 percent brown (7.5YR 4/4) fine and 10 percent strong brown (7.5YR 5/6) fine mottles; massive; fragments; neutral, pH 6.6, unspecified; clear smooth boundary. Lab sample # 40A11704. same as above except an increase in mottling of strong brown (7.5YR 5/6); slight increase in oxides; pores slightly larger than B32 horizon.
    C5—200 to 205 centimeters (78.7 to 80.7 inches); strong brown (7.5YR 5/6) and yellowish brown (10YR 5/6) silt loam; massive; friable; fragments; slightly acid, pH 6.4, unspecified; abrupt smooth boundary. Lab sample # 40A11705. common medium olive gray (5Y 5/2) around pores and on some faces; pores slightly larger than B32 horizon; few brown (7.5YR 4/4) soft 1/4 inch """"pipestems"""".
    C6—205 to 225 centimeters (80.7 to 88.6 inches); gray (5Y 5/1) silt loam; 1 percent light olive brown (2.5Y 5/4) fine mottles; massive; friable; fragments; neutral, pH 6.6, unspecified. Lab sample # 40A11706. some brown (7.5YR 4/4) to strong brown (7.5YR 5/6) moderately hard """"pipestems""""; pores slightly larger than B32 horizon.